<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="admin/css/user.css"/>
</head>
<style>
  body{
    background-color: black;
  }
  .container{
    background-color: rgba(110, 206, 250, 0.87);
    width: 100px;
    height: 100px;
  }
</style>
<body>
<div class="container">

</div>
<script>
    function test() {
        return new Promise((resolve, reject)=>{
            setTimeout(function (){
                reject("load")
            },1000)
        })
    }
    async function test1(){
        let data = await test();
        console.log(data)
    }
</script>
</body>
</html>